Home / 27,935.85-38,545.94-15,671.66

Finding the Fourth Proportional to 27,935.85, 38,545.94 and 15,671.66

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Solution

The fourth proportional to 27,935.85, 38,545.94 and 15,671.66 is: 21,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.85 : 38,545.94 = 15,671.66 : x
  2. Step 2: Convert to fraction form
    27,935.85/38,545.94 = 15,671.66/x
  3. Step 3: Cross multiply
    27,935.85x = 38,545.94 × 15,671.66
  4. Step 4: Simplify right side
    27,935.85x = 604,078,712.51
  5. Step 5: Solve for x
    x = 604,078,712.51/27,935.85
  6. Step 6: Final answer
    x = 21,623.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.